20555658

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 45971016

約数和(自身を除く): 25415358

約数列:

[1, 2, 3, 6, 9, 18, 61, 97, 122, 183, 193, 194, 291, 366, 386, 549, 579, 582, 873, 1098, 1158, 1737, 1746, 3474, 5917, 11773, 11834, 17751, 18721, 23546, 35319, 35502, 37442, 53253, 56163, 70638, 105957, 106506, 112326, 168489, 211914, 336978, 1141981, 2283962, 3425943, 6851886, 10277829, 20555658]

約数ペア:

[(1, 20555658), (2, 10277829), (3, 6851886), (6, 3425943), (9, 2283962), (18, 1141981), (61, 336978), (97, 211914), (122, 168489), (183, 112326), (193, 106506), (194, 105957), (291, 70638), (366, 56163), (386, 53253), (549, 37442), (579, 35502), (582, 35319), (873, 23546), (1098, 18721), (1158, 17751), (1737, 11834), (1746, 11773), (3474, 5917)]